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CVE-2026-84119

Sandbox escape due to use-after-free in the DOM: Navigation component PUBLISHED

Description (CNA)

Sandbox escape due to use-after-free in the DOM: Navigation component. This vulnerability was fixed in Firefox 155, Firefox ESR 115.40, Firefox ESR 140.15, Firefox ESR 153.2, Thunderbird 155, Thunderbird 140.15, and Thunderbird 153.2.

Affected (CNA)

Vendor / productVersions
Mozilla / Firefoxunaffected 115.40 through 115.*; unaffected 140.15 through 140.*; unaffected 153.2 through 153.*; unaffected 155 through *
Mozilla / Thunderbirdunaffected 140.15 through 140.*; unaffected 153.2 through 153.*; unaffected 155 through *

CWE

No CWE identifiers supplied.

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.